# f3probe
> Probe a block device (e.g. a flash drive or a microSD card) for counterfeit flash memory.
> More information: <https://github.com/AltraMayor/f3>.
- Probe a block device:
`f3probe {{path/to/block_device}}`
- Use the minimum about of RAM possible:
`f3probe --min-memory {{path/to/block_device}}`
- Time disk operations:
`f3probe --time-ops {{path/to/block_device}}`